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Subject: [OASIS Issue Tracker] (VIRTIO-92) VIRTIO Spec feedback #4 From: Haggai Eran


Michael Tsirkin created VIRTIO-92:
-------------------------------------

             Summary: VIRTIO Spec feedback  #4 From: Haggai Eran
                 Key: VIRTIO-92
                 URL: https://tools.oasis-open.org/issues/browse/VIRTIO-92
             Project: OASIS Virtual I/O Device (VIRTIO) TC
          Issue Type: Bug
            Reporter: Michael Tsirkin


Date: Tue, 28 Jan 2014 10:03:51 +0200
Link to Mail: https://lists.oasis-open.org/archives/virtio-comment/201401/msg00045.html
Commenter name: Haggai Eran <haggaie@mellanox.com>

In Section 2.4.5, "The Virtqueue Available Ring", it says:

> If the VIRTIO_RING_F_INDIRECT_DESC feature bit is not negotiated, the
> “flags” field offers a crude interrupt

Shouldn't it be VIRTIO_RING_F_EVENT_IDX instead of
VIRTIO_RING_F_INDIRECT_DESC?
The next paragraph says:

> Otherwise, if the VIRTIO_RING_F_EVENT_IDX feature bit is negotiated, the
> driver MUST set the "flags" field

The same question also applies to Section 2.4.6.





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